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Tender For welding electrode size 4 mm to weld dissimilar steels, ss to m.s; ss to cs & ms to mn steel etc. tensile strength: 880-1000 n/sq.mm, yield strength:630-770 n/sqmm, %elongation: 26-40, impact value: 50-65j, hardness:220-340hb, work hardness: upto 480hb, work hardening tensile strength: 1250- 1910 n/sq.mm max. make finalloy ast-101 oe (fluxcolour-sky blue) of make: magna 303 or make: ador fontech lh-106. note: 1) the offer shall be accompanied with valid authorised dealership certificate. 2) the supply shall be accompanied with mechanical property test certificate. ]
Tender For supply of covered electrode for manual metal arc welding (mmaw) fordmr 249a grade steel 4.00 mm x 450 mm , covered electrode for manual metal arc welding (mmaw) fordmr 249a grade steel 3.15 mm x 350 mm , covered electrode for manual metal arc welding (mmaw) fordmr 249a grade steel 2.5 mm x 350 mm
Tender For manufacture and supply of portions for fusionwelding of 60kg/60e1 (r260 grade) rail and 60 kg (90uts) rail with 25mm gap by alumino thermit process using compressed air petrol system/oxy lpg/ oxy propane pre-heating with 3 piece prefabricated mould (zircon washed) manually pressed/core shooted with auto tapping thimble and single shot crucible with latest alterations. applicable rdso specification is irs t-19-2021 rev.7.0,applicable str (schedule of technical requirement) is tdg0017, ver 4.0, list of required consumables as per annexure - a. [ warranty period: 30 months after the date of delivery ]
Tender For supply of stainless steel electrode for welding of manganese steel liner to bogie frame as per rdso irs class m5 conforming to irs m:28- 2020,version 1.code- e18.8mn r26(heavy coated) as per is:5206-1983 (reaffirmed-2019, first revision) having stainless steel core wire (18 percent cr, 08 percent ni and 05 percent mn), size 4.0 mm (diameter) x 350 mm (length), type of coating- heavy. specification- rdso specification no. irs m:28-2020 (version 1.0), code-e18.8mn r26 (heavy coated) as peris:5206-1983 (reaffirmed-2019,first revision) [ warranty period: 12 months after the date of delivery ]
Tender For ims certification for iso 9001:2015 (qms), iso 14001:2015 (ems), iso 45001:2018 (oh&sms) & iso 50001:2018 (enms) and certification of iso-3834-2:2021 - quality of welding requirements in fusionwelding for all 04 major c&w freight depot (peh, ptru, brwd & obra).
Tender For supply of welding portion for fusionwelding of rails by alumino thermic process for 52kg (90 uts) rails with 25 mm gap using cap/oxy lpg/oxy propane preheating with 3 piece mould (zr-washed) manually pressed/core shooted with auto tapping thimble & ssc as per rdso specification irs t/192021 rev.7.0 (with list of consumables/equipments etc. as per annexure-a). date of opening of tender. 52 kg/90 uts - 25 mm gap (with accessories as per anexure a) [ warranty period: 30 months after the date of delivery ]
Tender For supply of set of under frame front part (schedule of infrastructural requirements to specification no mdts 21261 rev.- 03 dated 09.06.2020)) to be mask as per drawing number mi005396 alt. 'hm' for lhb type coach with bolted mounting arrangement of bio-tank. note: 1) the dimension of hub flange shall be 136mm (after machining, ref. drawing number: 110113.1.03.121.002). 2) the dimension ofcenter of cbc center ensures 146mm & 163 mm (ref. drawing number: le11460 alt. 'nil' sheet 1). 3) dimension 309mm, 82.5mm and 75mm from buffer plate (ref. drawing number: 210113.0.03.130.112alt 'er2'). planning set list number: mp13uframebio version 4a. protection procedure: a. under frame/front part shall be applied with app to rcf spec. mdts 48279 rev. 4, amendment 1 or latest instead of rozc. this app shall be applied after proper cleaning the surface and welds. at interfacing positions where welding is to be done later on with other assemblies shall be masked as per drawing numbermi007679 alt 'nil' and no app is to be applied in this area so that fumes are not generated during welding in this areas. b. cbc housing inside area shall be grit/garnet blasted and to be painted with epoxy metal primer of dft 60 micron and high build paint elastified with dft 140 micron as per spec no. mdts 094 as mentioned in drawing number: mi005396 alt. 'hm'. c. the standard welding procedure followed in lhb coaches for welding carbon steel to stainless steel shall be applicable i.e. specific electrode. post process of the welds etc. special condition:to maintain the limit of straightness and twist in front part of the under frame, inspection fixture to drawing no xj003601 alt. 'a' is to be followed to improve the quality of front part & under frame of lhb coaches.at present, as per revised drawings of underframe head stock top flanges i.e. le11284 alt. 'g' and le11285 alt. 'h' are replaced with 4mm ferritic stainless steel to material grade specification no: "rdso spec no c-k201 x2crni12". [ warranty period: 84 months after the date of delivery ]